1/2” cartridge heater available in stock in lengths of 2” to 8” and wattages of 120w to 630w. Other designs are available on request. The metric equivalent is 12.5mm, click here for stock sizes.

Technical Spec
Diameter Tolerance: 0.02/0.06mm
Unheated zones: Top 6-15mm, bottom 5-10mm
Wattage density: 30W/cm
Wattage tolerance: +5% -10%
Wattage zones: Yes
Thermocouples/PT100: Yes
Sheath material: 304-321
Conductor material: NiCr8020
Sheath temp: Max 700 C

Where are cartridge heaters used?

They are best suited for use in machine tool dies, Moulds, Platens and various other applications demanding localised heating. They can be designed to operate up to 800 deg C.

1/2" Cartridge Heater Stock Sizes

Stock code	Diameter	Length	Wattage	Voltage	Part No.
7241974	1/2"	2"	120w	120v	122120120
7241801	1/2"	2"	200w	240v	122200240
7241905	1/2"	2.5"	270w	240v	1225270240
7241908	1/2"	2.5"	470w	240v	1225470240
7241983	1/2"	3"	200w	120v	123200120
7241902	1/2"	3"	200w	240v	123200240
7241911	1/2"	3"	335w	240v	123335240
7241810	1/2"	3"	535w	240v	123535240
7241986	1/2"	4"	275w	120v	124275120
7241813	1/2"	4"	275w	240v	124275240
7241889	1/2"	4"	500w	240v	124500240
7241914	1/2"	5"	350w	240v	125350240
7241980	1/2"	5"	500w	120v	125500120
7241918	1/2"	5"	500w	240v	125500240
7241927	1/2"	6"	425w	240v	126435240
7241920	1/2"	7"	550w	240v	127550240
7241924	1/2"	8"	630w	240v	128630240

Surplus stock cartridge heaters

Stock Code	Qty	Diameter	Length	Wattage	Voltage	Lead Length	Extra info
CH650250230	5	6mm	50mm	250	230	1000		7.50
CH653015042-EUROSLOT	4	6.5mm	30mm	150	42	300	Angled Exit	6.50
CH10150500220	1	10mm	150mm	500	220	300		8.00
CH12280400230	12	12mm	280mm	400	230	200	Armoured leads	13.00
CH12565600220	1	12.5mm	65mm	600	220	300		7.50
CH12580500230	6	12.5mm	80mm	500	230	350	stainless overbraid	6.00
CH125100400230	20	12.5mm	100mm	400	230	300		6.00
CH1255250240	28	1/2"	5.5"	250	240	400		6.00
CH128250240ANG	10	1/2"	8"	250	240	1000	stainless overbraid, angled	11.00
CH15300300240ANG	3	15	300mm	300	240	1500	Angled Exit	12.00
CH1675400220	1	16mm	75mm	400	220	300		7.50
CH1663175230	3	16mm	63mm	175	230	1000		8.00
CH16300650240	4	16mm	300mm	650	240	200		11.00
CH583175240ANG	5	5/8"	3"	175	240	2000	Angled Exit	9.00
CH586635240	10	5/8"	6"	635	240	200		9.00
CH125125500230ANG	20	12.5mm	125mm	500	230v	750mm	Angled exit , SSOB	16.00

More Info

Special Requirement? Sizing Calc

Click to enlarge

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1/2″ Cartridge Heater

£10.59 – £15.96

1/2″ cartridge heater available in stock lengths of 2″ to 8″ and in wattages from 120 to 630w. We offer 240v as standard with certain lengths available as 120v

Quantity Discount

Quantity	Price
2 - 5	£10.06 – £15.16
6 - 10	£9.80 – £14.76
11 - 19	£9.53 – £14.36
20 - 39	£9.00 – £13.57
40 +	£8.79 – £13.25

Quantity	Price
2 - 5	£10.06
6 - 10	£9.80
11 - 19	£9.53
20 - 39	£9.00
40 +	£8.79

Quantity	Price
2 - 5	£10.06
6 - 10	£9.80
11 - 19	£9.53
20 - 39	£9.00
40 +	£8.79

Quantity	Price
2 - 5	£10.52
6 - 10	£10.24
11 - 19	£9.96
20 - 39	£9.41
40 +	£9.19

Quantity	Price
2 - 5	£10.52
6 - 10	£10.24
11 - 19	£9.96
20 - 39	£9.41
40 +	£9.19

Quantity	Price
2 - 5	£11.31
6 - 10	£11.02
11 - 19	£10.72
20 - 39	£10.12
40 +	£9.89

Quantity	Price
2 - 5	£11.31
6 - 10	£11.02
11 - 19	£10.72
20 - 39	£10.12
40 +	£9.89

Quantity	Price
2 - 5	£11.31
6 - 10	£11.02
11 - 19	£10.72
20 - 39	£10.12
40 +	£9.89

Quantity	Price
2 - 5	£11.31
6 - 10	£11.02
11 - 19	£10.72
20 - 39	£10.12
40 +	£9.89

Quantity	Price
2 - 5	£11.99
6 - 10	£11.67
11 - 19	£11.36
20 - 39	£10.73
40 +	£10.47

Quantity	Price
2 - 5	£11.99
6 - 10	£11.67
11 - 19	£11.36
20 - 39	£10.73
40 +	£10.47

Quantity	Price
2 - 5	£11.99
6 - 10	£11.67
11 - 19	£11.36
20 - 39	£10.73
40 +	£10.47

Quantity	Price
2 - 5	£12.88
6 - 10	£12.54
11 - 19	£12.20
20 - 39	£11.53
40 +	£11.25

Quantity	Price
2 - 5	£12.88
6 - 10	£12.54
11 - 19	£12.20
20 - 39	£11.53
40 +	£11.25

Quantity	Price
2 - 5	£12.88
6 - 10	£12.54
11 - 19	£12.20
20 - 39	£11.53
40 +	£11.25

Quantity	Price
2 - 5	£13.97
6 - 10	£13.61
11 - 19	£13.24
20 - 39	£12.50
40 +	£12.21

Quantity	Price
2 - 5	£14.57
6 - 10	£14.19
11 - 19	£13.81
20 - 39	£13.04
40 +	£12.73

Quantity	Price
2 - 5	£15.16
6 - 10	£14.76
11 - 19	£14.36
20 - 39	£13.57
40 +	£13.25

1/2" Length/Wattage	Clear

Compare

SKU: 1/2" Cartridge Heaters Category: Cartridge Heaters

Click Here! for Specific Design?

Cartridge Heater design

All heaters internally connected, high watt density.

Sealed Packaging

Heaters are seal packaged and labelled to reduced moisture and increase shelf life.

High-temp fibreglass leads

Fibreglass leads offer high temperature insulation so is most suited to most applications where cartridge heaters are used.

Specials made to order

Any shape and designs can be made upon request, please contact us for a specific quotation.

Trace-ability for re-ordering

All our heaters have tracability part numbers for easy repeat ordering.

Various wire coverings

Cartridge heaters can be fitted with various types of lead protection to ensure longer life in use.

Cartridge Heater Cable Selections

Insulation Material	Operating Temp C	Life	High Temperatures	Vibration	Seal Protection
Silicon	150	Poor	Poor	Excellent	Good
PFA	200	Excellent	Good	Excellent	Excellent
Glassfibre	400	Good	Excellent	Poor	Poor
Ceramic Beading	650	Poor	Excellent	Poor	Poor

Cartridge Heater Cable Lead Protection

Insulation Material	Application	Life	High Temperatures	Vibration	Seal Protection
Couduit Tubing	Bumps	Poor	Good	Poor	Good
Metal Braiding	Cuts/Scrapes	Excellent	Good	Excellent	Poor
Fibreglass Sleeving	High Temperatures	Good	Good	Good	Good
Silicone Sleeving	Moisture/Cleaning	Good	Poor	Excellent	Excellent

Useful Power Calculator

Use this simple calculator to work out any heating element's Ohms, Amperage, voltage, and wattage.

Power Calculator
Ω Resistance
A Current
V Voltage
W Power
Enter 2 values and press Calculate

Ohms Law

Calculator

We have created this conversion calculator based on Ohms law. Please feel free to use it.

Functional if you need to work out your load requirements.

Also, if the wattage is not on display on the heating element

Description

Stock code	Diameter	Length	Wattage	Voltage	Part No.
7241974	1/2"	2"	120w	120v	122120120
7241801	1/2"	2"	200w	240v	122200240
7241905	1/2"	2.5"	270w	240v	1225270240
7241908	1/2"	2.5"	470w	240v	1225470240
7241983	1/2"	3"	200w	120v	123200120
7241902	1/2"	3"	200w	240v	123200240
7241911	1/2"	3"	335w	240v	123335240
7241810	1/2"	3"	535w	240v	123535240
7241986	1/2"	4"	275w	120v	124275120
7241813	1/2"	4"	275w	240v	124275240
7241889	1/2"	4"	500w	240v	124500240
7241914	1/2"	5"	350w	240v	125350240
7241980	1/2"	5"	500w	120v	125500120
7241918	1/2"	5"	500w	240v	125500240
7241927	1/2"	6"	425w	240v	126435240
7241920	1/2"	7"	550w	240v	127550240
7241924	1/2"	8"	630w	240v	128630240

Stock Code	Qty	Diameter	Length	Wattage	Voltage	Lead Length	Extra info
CH650250230	5	6mm	50mm	250	230	1000		7.50
CH653015042-EUROSLOT	4	6.5mm	30mm	150	42	300	Angled Exit	6.50
CH10150500220	1	10mm	150mm	500	220	300		8.00
CH12280400230	12	12mm	280mm	400	230	200	Armoured leads	13.00
CH12565600220	1	12.5mm	65mm	600	220	300		7.50
CH12580500230	6	12.5mm	80mm	500	230	350	stainless overbraid	6.00
CH125100400230	20	12.5mm	100mm	400	230	300		6.00
CH1255250240	28	1/2"	5.5"	250	240	400		6.00
CH128250240ANG	10	1/2"	8"	250	240	1000	stainless overbraid, angled	11.00
CH15300300240ANG	3	15	300mm	300	240	1500	Angled Exit	12.00
CH1675400220	1	16mm	75mm	400	220	300		7.50
CH1663175230	3	16mm	63mm	175	230	1000		8.00
CH16300650240	4	16mm	300mm	650	240	200		11.00
CH583175240ANG	5	5/8"	3"	175	240	2000	Angled Exit	9.00
CH586635240	10	5/8"	6"	635	240	200		9.00
CH125125500230ANG	20	12.5mm	125mm	500	230v	750mm	Angled exit , SSOB	16.00

Additional information

Weight	N/A
1/2" Length/Wattage	2", 120w, 120v, 2", 200w, 240v, 2.5", 270w, 240v, 2.5", 470w, 240v, 3", 200w, 120v, 3", 200w, 240v, 3", 335w, 240v, 3", 535w, 240v, 4", 275w, 120v, 4", 275w, 240v, 4", 500w, 240v, 5", 350w, 240v, 5", 500w, 120v, 5", 500w, 240v, 6", 425w, 240v, 7", 550w, 240v, 8", 630w, 240v

Shipping & Delivery

DELIVERY TIMES

All orders, wherever possible are shipped the same day within the UK as long as it is received before 1 pm.

Orders placed on Friday after 1 pm or the weekend will be dispatched on Monday.

PACKAGING & SHIPMENT

Great care is take with each order to ensure they are packed securely to prevent any damage in transit.
We can ship orders in several boxes depending on quantity, size or types.
Each order is shipped with a packing note inside the box and a carrier shipping label on the outside.